Home / 3,130,423.02-4,685,171.67-1,782,223.67

Finding the Fourth Proportional to 3,130,423.02, 4,685,171.67 and 1,782,223.67

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Solution

The fourth proportional to 3,130,423.02, 4,685,171.67 and 1,782,223.67 is: 2,667,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,423.02 : 4,685,171.67 = 1,782,223.67 : x
  2. Step 2: Convert to fraction form
    3,130,423.02/4,685,171.67 = 1,782,223.67/x
  3. Step 3: Cross multiply
    3,130,423.02x = 4,685,171.67 × 1,782,223.67
  4. Step 4: Simplify right side
    3,130,423.02x = 8,350,023,824,861.57
  5. Step 5: Solve for x
    x = 8,350,023,824,861.57/3,130,423.02
  6. Step 6: Final answer
    x = 2,667,378.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.